1: Big advertising area, mode of advertising( Laser or silk-screen). 2: Small and portable, has only a dimension of 90x25x20mm when folded,weights 120gram. 3: Functions multiple ; a. scaler ( additional function : ruler ) b. saw c. knife d. scissors e. bottle opener f. screwdriver g. nail shaper h. pin i. can sword . 4: made of good quality stainless steel (2chrome13) durable and steady. 5.Can be design and made by buyer''s preferences